Pyrophosphoric acid
Pyrophosphoric acid
- CAS:
- 2466-09-3
- MF:
- H4O7P2
- MW:
- 177.98
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Properties
- Melting point:
- 61 °C
- Density
- approximate 1.9g/ml (25℃)
- storage temp.
- -20°C, Hygroscopic
- solubility
- DMSO (Soluble)
- pka
- 0.99±0.10(Predicted)
- form
- white crystals
- color
- white crystals, crystalline
- PH
- pKa1= 0.86, pKa2 = 1.76, pKa3 = 5.88, pKa4 = 8.14(25℃)
- Water Solubility
- 709g/100mL H2O (23°C); soluble alcohol, ether [MER06]
- Merck
- 13,8098
- Stability:
- Hygroscopic, Moisture Sensitive
- InChIKey
- XPPKVPWEQAFLFU-UHFFFAOYSA-N
Safety Information
- Symbol(GHS)
GHS05,GHS07
- Signal word
- Danger
- Hazard statements
- H302-H314
- Precautionary statements
- P280-P305+P351+P338-P310
- Hazard Codes
- C
- Risk Statements
- 22-34
- Safety Statements
- 26-36/37/39-45
- RIDADR
- UN 3260 8/PG 2
- WGK Germany
- 3
- RTECS
- JL6672500
- F
- 3-9-21
- HazardClass
- 8
- PackingGroup
- III
- HS Code
- 28092000
Use
Pyrophosphoric acid may be prepared by heating orthophosphoric acid at 215C: 2H3PO4 H4P2O7 + H2O The acid solution in pure form can be obtained by ion exchange, passing an aqueous solution of sodium pyrophosphate, Na4P2O7, through a suitable cation exchange column.
1 India supplier list of "Pyrophosphoric acid"
- Product Name:Pyrophosphoricacid
- Products Intro:Brand:sigma aldrich | Product Number:433314 | Purity:technicalgrade
- Company Type: Trader
- Country/Region: INDIA
- Product Name:Pyrophosphoric Acid
- Company Type: Reagent
- Country/Region: INDIA
- Product Name: Pyrophosphoric acid
- Products Intro:Purity: 99% | Package: 1kg;8USD|25kg;5USD|100kg;1USD
- Company Type: Trader
- Country/Region: CHINA
$8.00-1.00 / 1kg
- Product Name:Pyrophosphoric acid
- Products Intro:Purity: 99% | Package: 25KG;5KG;1KG
- Company Type: Trader
- Country/Region: CHINA
- Product Name:Pyrophosphoric acid
- Products Intro:Purity: 0.98 | Package: 1kg，2kg，5kg，10kg，25kg
- Company Type: Trader
- Country/Region: CHINA
- Product Name:Pyrophosphoric acid
- Products Intro:Purity: 99% | Package: 25kg;100USD
- Company Type: Service provider
- Country/Region: CHINA
$100.00/ 25kg
- Product Name:Pyrophosphoric acid
- Company Type: Reagent
- Country/Region: CHINA
- Product Name:Pyrophosphoric acid
- Products Intro:Purity: 98%min | Package: 1KG
- Company Type: Trader
- Country/Region: CHINA
$0.00/ 1KG
- Product Name:Pyrophosphoric acid
- Products Intro:Purity: 0.95&0.99 | Package: 0.1KG;1KG;1000KG | CustNote: Hot sales
- Company Type: Trader
- Country/Region: CHINA
- Product Name:Pyrophosphoric acid
- Products Intro:Purity: 0.99 | Package: 1000KG;100KG;5KG;1KG
- Company Type: Trader
- Country/Region: CHINA